Table 3.

Changes in incidence over time by men and women and mechanism of injury

	All	Men	Women
All
Coefficient	−0.03	−0.19	0.12
r 2	0.00	0.12	0.10
p value	0.829	0.229	0.265
Self-harm
Coefficient	−0.11	−0.14	−0.08
r 2	0.51	0.47	0.30
p value	0.004	0.007	0.043
Fall
Coefficient	0.34	0.32	0.36
r 2	0.88	0.81	0.87
p value	<0.001	<0.001	<0.001
Vehicle, traffic
Coefficient	−0.27	−0.41	−0.14
r 2	0.88	0.85	0.88
p value	<0.001	<0.001	<0.001
Poisoning
Coefficient	0.17	0.27	0.07
r 2	0.84	0.80	0.69
p value	<0.001	<0.001	<0.001
Drowning
Coefficient	−0.04	−0.08	−0.01
r 2	0.67	0.67	0.30
p value	<0.001	<0.001	0.041
Suffocation
Coefficient	−0.02	−0.03	−0.01
r 2	0.55	0.48	0.11
p value	0.002	0.006	0.248
Assault
Coefficient	−0.03	−0.04	−0.02
r 2	0.48	0.35	0.34
p value	0.006	0.026	0.028
Fire, smoke, hot objects
Coefficient	−0.02	−0.02	−0.02
r 2	0.23	0.12	0.30
p value	0.081	0.218	0.042
Natural/environmental
Coefficient	−0.04	−0.04	−0.03
r 2	0.01	0.02	0.01
p value	0.691	0.616	0.753
Machinery
Coefficient	−0.01	−0.01	0.01
r 2	0.08	0.14	0.00
p value	0.341	0.20	0.91

Incidence over time has only been calculated in groups with more than 140 deaths. The association between incidence and year was analyzed with simple linear regression. The coefficient shows how much the incidence changed (mean value) each year